When to Plant Crossandra in Alhambra, CA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant crossandra in Alhambra can be estimated by using the USDA zone info.


Planting Calendar for Crossandra

Frost tolerance for crossandra: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Crossandra are not cold tolerant which tells us that it is necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant crossandra
Possibly ok, but a risky time to plant crossandra
Probably not a good time to plant crossandra

The earliest that you can plant crossandra in Alhambra is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant crossandra and expect a good harvest is probably September. You probably don't want to wait any later than that or else your crossandra may not have a chance to really do well. Starting your crossandra indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Alhambra. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Alhambra is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Alhambra there is a last frost after January 31 be ready to protect your crossandra if you have one of those late frosts.

USDA Zone Info for Alhambra

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Alhambra

You may be interested in your other planting guides for Alhambra.